First

game_functions.py

@@ -0,0 +1,60 @@
+import pygame
+import sys
+
+
+def check_events(settings):
+    for event in pygame.event.get():
+        # 当按关闭或者按ESC键退出游戏
+        if event.type == pygame.QUIT:
+            pygame.quit()
+            sys.exit()
+        elif event.type == pygame.KEYDOWN:
+            if event.key == pygame.K_ESCAPE:
+                pygame.quit()
+                sys.exit()
+            # 按1键选择手动模式
+            elif event.key == pygame.K_1:
+                settings.game_mode = -1
+            # 按2键选择自动模式
+            elif event.key == pygame.K_2:
+                settings.game_mode = -1
+
+
+def show_start(settings, screen):
+    """模式选择界面"""
+    title_Font = pygame.font.Font('simkai.ttf', 80)  # 设置标题字体
+    title_image = title_Font.render("贪吃蛇", True, (255, 255, 255), (0, 0, 0))
+    title_rect = title_image.get_rect()
+    title_rect.center = screen.get_rect().center
+
+    presskey_font = pygame.font.Font('simkai.ttf', 15)  # 设置说明文字的字体
+    presskey_image = presskey_font.render(
+        '按1为手动模式,按2为自动模式,按ESC可退出游戏', True, (255, 255, 255), (0, 0, 0))
+    presskey_rect = presskey_image.get_rect()
+    presskey_rect.centerx = title_rect.centerx
+    presskey_rect.top = title_rect.bottom
+    while True:
+        screen.fill(settings.bg_color)  # 绘制屏幕
+        screen.blit(title_image, title_rect)  # 绘制标题
+        screen.blit(presskey_image, presskey_rect)  # 绘制说明文字
+        check_events(settings)  # 检测键盘
+        if settings.game_mode != 0:  # 说明按了1或2，退出循环
+            break
+        pygame.display.flip()
+
+
+def show_end(settings, screen):
+    """结算界面"""
+    title_font = pygame.font.Font('simkai.ttf', 80)
+    game_image = title_font.render('Game', True, (233, 150, 122))
+    over_image = title_font.render('Over', True, (233, 150, 122))
+    game_rect = game_image.get_rect()
+    over_rect = over_image.get_rect()
+    screen_rect = screen.get_rect()
+    game_rect.midtop = (settings.width / 2, screen_rect.top + 70)
+    over_rect.midtop = (settings.width / 2, game_rect.bottom + 50)
+    screen.blit(game_image, game_rect)
+    screen.blit(over_image, over_rect)
+    pygame.display.flip()
+    pygame.time.wait(1500)
+    settings.game_mode = 0

idea.km

@@ -0,0 +1,115 @@
+{
+    "root": {
+        "data": {
+            "id": "d2oi0jx7h6o0",
+            "created": 1720882729134,
+            "text": "Astar贪吃蛇"
+        },
+        "children": [
+            {
+                "data": {
+                    "id": "d2oi1r6uoww0",
+                    "created": 1720882823319,
+                    "text": "游戏本体(Pygame)",
+                    "layout_mind_offset": {
+                        "x": -29,
+                        "y": 1
+                    }
+                },
+                "children": [
+                    {
+                        "data": {
+                            "id": "d2oi2k2ygw00",
+                            "created": 1720882886210,
+                            "text": "蛇",
+                            "expandState": "expand",
+                            "layout_right_offset": {
+                                "x": 8,
+                                "y": -54
+                            }
+                        },
+                        "children": [
+                            {
+                                "data": {
+                                    "id": "d2oi21ezqoo0",
+                                    "created": 1720882845579,
+                                    "text": "如何表示蛇"
+                                },
+                                "children": []
+                            },
+                            {
+                                "data": {
+                                    "id": "d2oi2vcyync0",
+                                    "created": 1720882910760,
+                                    "text": "蛇如何移动"
+                                },
+                                "children": []
+                            },
+                            {
+                                "data": {
+                                    "id": "d2oi30i8aj40",
+                                    "created": 1720882921962,
+                                    "text": "如何判定游戏结束？"
+                                },
+                                "children": []
+                            }
+                        ]
+                    },
+                    {
+                        "data": {
+                            "id": "d2oi3jwwljc0",
+                            "created": 1720882964209,
+                            "text": "食物"
+                        },
+                        "children": [
+                            {
+                                "data": {
+                                    "id": "d2oi3vw1ujc0",
+                                    "created": 1720882990278,
+                                    "text": "如何生成食物"
+                                },
+                                "children": []
+                            }
+                        ]
+                    },
+                    {
+                        "data": {
+                            "id": "d2oi7hsyoao0",
+                            "created": 1720883273073,
+                            "text": "界面"
+                        },
+                        "children": []
+                    }
+                ]
+            },
+            {
+                "data": {
+                    "id": "d2oijamyvjc0",
+                    "created": 1720884197843,
+                    "text": "游戏玩法"
+                },
+                "children": [
+                    {
+                        "data": {
+                            "id": "d2oi4mwhxi80",
+                            "created": 1720883049078,
+                            "text": "自动(A*寻路算法）"
+                        },
+                        "children": []
+                    },
+                    {
+                        "data": {
+                            "id": "d2oijfl72io0",
+                            "created": 1720884208620,
+                            "text": "手动"
+                        },
+                        "children": []
+                    }
+                ]
+            }
+        ]
+    },
+    "template": "default",
+    "theme": "snow",
+    "version": "1.4.43"
+}

main.py

@@ -0,0 +1,21 @@
+from settings import Settings
+import game_functions as gf
+import pygame
+
+settings = Settings()
+
+screen = pygame.display.set_mode((settings.width, settings.height))  # 设置屏幕
+pygame.display.set_caption('贪吃蛇')  # 添加游戏标题
+
+
+def run_game():
+    while True:
+        if settings.game_mode == 0:
+            gf.show_start(settings, screen)
+        elif settings.game_mode == -1:
+            gf.show_end(settings, screen)
+
+
+if __name__ == "__main__":
+    pygame.init()
+    run_game()

settings.py

@@ -0,0 +1,19 @@
+import pygame
+
+
+class Settings:
+    def __init__(self):
+        self.bg_color = (0, 0, 0)  # 背景颜色
+        self.width = 400
+        self.height = 400
+
+        self.cell_size = 20  # 格子大小
+        self.cell_w = int(self.width / self.cell_size)  # 一行的格子数
+        self.cell_h = int(self.height / self.cell_size)  # 一列的格子数
+        self.num = self.cell_w * self.cell_h
+
+        self.game_mode = 0  # 游戏状态
+        self.score = 0  # 游戏得分
+
+        self.clock_frq = 5  # 刷新频率
+        self.my_clock = pygame.time.Clock()